Natarajan A M. (2014). Operations Research (2nd.). Pearson.
Chicago Style aipamenaNatarajan A M. Operations Research. 2nd. New Delhi: Pearson, 2014.
MLA aipamenaNatarajan A M. Operations Research. 2nd. Pearson, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.